[BioC] Problem with Graphvix

Con Menictas [guest] guest at bioconductor.org
Mon Aug 13 08:17:22 CEST 2012

Dear Readers,

Any help in getting RGraphviz to work in R would really be appreciated.

 -- output of sessionInfo(): 

> library(Rcmdr)
Loading required package: tcltk
Loading Tcl/Tk interface ... done
Loading required package: car
Loading required package: MASS
Loading required package: nnet

Rcmdr Version 1.8-4

Attaching package: 'Rcmdr'

The following object(s) are masked from 'package:tcltk':


Loading required package: RcmdrPlugin.TextMining
Loading required package: Rgraphviz
Error : .onLoad failed in loadNamespace() for 'Rgraphviz', details:
  call: value[[3L]](cond)
  error: unable to load shared object 'C:/Users/student/Documents/R/win-library/2.15/Rgraphviz/libs/i386/Rgraphviz.dll':
  LoadLibrary failure:  The specified module could not be found.

  Check that (1) graphviz is installed on your system; (2) the
  installed version of graphviz matches '2.20.3'; this is the version
  used to build this Rgraphviz package; (3) graphviz is accessible to
  R, e.g., the path to the graphviz 'bin' directory is in the system
  'PATH' variable.  See additional instructions in the 'README' file of
  the Rgraphviz 'source' distribution, available at


  Ask further questions on the Bioconductor mailing list


Failed with error:  'package 'Rgraphviz' could not be loaded'
Error in Commander() : 
  the plug-in package RcmdrPlugin.TextMining is missing

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